John Watts (April 16, 1715 – August 15, 1789) was a Scottish-American businessman and landowner.

Watts was born on April 16, 1715, in New York City. He was the son and fourth child born to Mary (née Nicoll) Watts (b. 1689) and Robert Watts (1678–1750), an immigrant to New York City from Scotland at the close of the 1600s. In 1715, colonial Governor Hunter appointed him to the board of the "Lords of Trade" of the city of New York.^[1]

His paternal grandfather was John Watts and his family's seat was Rose Hill, then in the suburbs of Edinburgh.^[2] His maternal grandparents were William Nicoll, Speaker of the New York General Assembly (and son of mayor Matthias Nicoll), and Anne (née Van Rensselaer) Nicoll.^[3] His grandmother was a widow of Kiliaen van Rensselaer and a daughter of Jeremias van Rensselaer, acting patroon of Rensselaerwyck.^[4]

Watts, one of the most prominent and wealthy landowners in the colonies and was one of the original subscribers to the Tontine Coffee House.^[2] He served as president of His Majesty's council of New York from 1758 to 1776,^[5] and a member of the New York General Assembly from 1752 to 1759.^[6] It has been said that if the Revolution failed, Watts would have been the chosen Lieutenant Governor of New York and Acting Secretary of the Province.^[7]

In 1754, he was one of the original founders and trustees of the New York Society Library. He was also a founder and original member of the Saint Andrew's Society of the State of New York, serving as its president from 1771 to 1772, and as the first president of the New York City Hospital in 1760.^[7]

As the American Revolution approached, Watts and his wife, both Loyalists, went to Wales in 1775 where his wife died a few months later. In 1779, his properties, including his "Rose Hill" estate (which today is occupied by Fordham University), were seized by the New York State Legislature.^[8]

In July 1742, Watts was married to Anne DeLancey (1723–1775), daughter of Anne (née van Cortlandt) DeLancey and Étienne de Lancy, a minor member of the French nobility. Her maternal grandparents were Geertruy Schuyler and Stephanus van Cortlandt, the Chief Justice of the Province of New York, and among her siblings was New York Governor James DeLancey and fellow loyalist Oliver DeLancey. Together, they were the parents of:^[8]

• Robert Watts (1743–1814), who married Mary Alexander, eldest daughter of William Alexander, Lord Stirling.^[7]
• Anne Watts (1744–1783), who married Archibald Kennedy, 11th Earl of Cassilis.^[7]
• Susanna Watts (1749–1823), who married Phillip Kearney (1725–1798).^[7]
• John Watts (1749–1836) who became a U.S. Representative,^[9] and married his cousin Jane Delancey.^[10]
• Mary Nicoll Watts (1751–1815), who married Sir John Johnson, 2nd Baronet.^[7]
• Stephen Watts, who was married to Sarah Nugent (1754–1841).^[11]
• Margaret Watts (born 1753), who was married to Robert William Leake.^[12]

Watts died in Wales on August 15, 1789, and was buried in St James's Church, Piccadilly, London. After the War ended, his sons Robert and John petitioned for the attainder of their properties to be overturned, and were unsuccessful, but were allowed to buy back his properties in 1784, which included vast holdings in ships, mills, factories, banks, and investment houses.^[7]